---
title: AI Agents
seo_title: AI Agents — video
description: Five chapters to understand what an AI agent is, how it uses tools, how to evaluate it, which risks it introduces, and what it takes to operate one in production.
keywords: AI agents, agentic AI, tool calling, workflows, agent evaluation, prompt injection, agent identity, production AI
date: '2026-07-14T00:00:00+00:00'
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    <h1>AI Agents</h1><p>Five chapters to understand what an AI agent is, how it uses tools, how to evaluate it, which risks it introduces, and what it takes to operate one in production.</p>
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    <div class="s5-video-watch__snippet-grid"><article><span>01</span><h2>Contents</h2></article>
<article><span>02</span><h2>1. What an agent is—and is not</h2><p>Distinguish a chatbot, workflow, copilot and agent. Move from a model that answers to a system that pursues an objective. Understand autonomy as delegating concrete decisions rather than…</p></article>
<article><span>03</span><h2>2. The anatomy of an agent</h2><p>The observe–plan–act–verify loop. Tools, memory, context, state and runtime. Why a tool call is a software contract rather than a magical LLM capability.</p></article></div>
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  <aside class="s5-video-watch__source"><div><span class="s5-eyebrow">Context and evidence</span><h2>Continue with the full article</h2><p>The chapter develops the mechanism, primary sources, limitations and connections to the rest of the series.</p></div><a class="s5-video-watch__source-link" href="https://5sigmas.com/en/series/agentes-ia/00_presentacion_serie/">Read the article →</a></aside>
  <section class="s5-video-watch__related" aria-labelledby="related-videos-title"><div class="s5-video-watch__section-head"><span class="s5-eyebrow">Next step</span><h2 id="related-videos-title">Related videos</h2></div><div class="s5-video-watch__related-grid"><article><a href="https://5sigmas.com/en/videos/series/agentes-ia/05-de-la-demo-a-produccion/"><img src="https://5sigmas.com/en/series/agentes-ia/05-de-la-demo-a-produccion.jpg" alt="" loading="lazy" width="1280" height="720"><span>AI agents · 0:32</span><strong>From demo to production</strong></a></article>
<article><a href="https://5sigmas.com/en/videos/series/agentes-ia/04-seguridad-agentes/"><img src="https://5sigmas.com/en/series/agentes-ia/04-seguridad-agentes.jpg" alt="" loading="lazy" width="1280" height="720"><span>AI agents · 0:32</span><strong>Agent security</strong></a></article>
<article><a href="https://5sigmas.com/en/videos/series/agentes-ia/03-como-evaluar-un-agente/"><img src="https://5sigmas.com/en/series/agentes-ia/03-como-evaluar-un-agente.jpg" alt="" loading="lazy" width="1280" height="720"><span>AI agents · 0:32</span><strong>How to evaluate an AI agent</strong></a></article></div></section>
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